Corrosion-resistant and heat-insulating epoxy aluminum foil for food packaging
By designing corrosion-resistant and heat-insulated epoxy aluminum foil in food packaging materials, the problem that existing packaging materials cannot resist corrosion under high temperature conditions is solved, the corrosion-resistant and heat-insulating function of the material is realized, and the safety and convenience of food packaging are improved.
Patent Information
- Application Number
- CN202421382965.7
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-06-18
- Publication Date
- 2025-03-25
- Estimated Expiration
- 2034-06-18
AI Technical Summary
Existing packaging materials cannot withstand high temperature and corrosion when used, resulting in melting under high temperature conditions, which will affect the human body.
Design a corrosion-resistant and heat-insulated food packaging epoxy aluminum foil, including substrate layer, protective structure and tear holes. Protective structures are provided on both sides of the substrate layer, which include an adhesive layer, an epoxy resin layer and a plastic film layer, and tear holes are evenly opened inside the substrate layer.
By setting up a protective structure, the corrosion resistance and strength of the packaging material are improved. The plastic film layer of the second protective layer has corrosion resistance and heat insulation characteristics, realizing the corrosion resistance and heat insulation function, and improving the safety and convenience of epoxy aluminum foil for food packaging.
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Figure CN222664294U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of packaging materials, in particular to a corrosion-resistant and heat-insulating epoxy aluminum foil for food packaging. Background Art
[0002] As people pay more and more attention to food safety and quality, higher requirements are placed on the performance of food packaging materials, including corrosion resistance, heat insulation and preservation ability. Therefore, in the field of food packaging, new preservation technologies continue to emerge, such as high-temperature sterilization, vacuum packaging, modified atmosphere packaging, etc. The application of these technologies has promoted the continuous improvement of the performance of food packaging materials.
[0003] Traditional packaging materials are not resistant to high temperatures and corrosion when used. If the packaging materials melt during use, it will have a certain impact on the human body. Therefore, it is necessary to design a corrosion-resistant and heat-insulating food packaging epoxy aluminum foil. Utility Model Content
[0004] The utility model aims to provide a corrosion-resistant and heat-insulating epoxy aluminum foil for food packaging, so as to solve the defects that the existing packaging materials are not able to withstand high temperatures and corrosion when in use.
[0005] In order to solve the above technical problems, the utility model provides the following technical solutions: a corrosion-resistant and heat-insulating epoxy aluminum foil for food packaging, comprising a packaging component;
[0006] The packaging assembly comprises a substrate layer, a protective structure and a tear hole, wherein the protective structure is arranged on both sides of the substrate layer, and the tear holes are evenly opened inside the substrate layer;
[0007] The protective structure comprises an adhesive layer, a first protective layer and a second protective layer, wherein the adhesive layer is arranged on both sides of the substrate layer, the outer sides of the adhesive layer are arranged on the first protective layer, and the outer side of the first protective layer is fixed with the second protective layer;
[0008] Edge binding components are evenly arranged on both sides of the substrate layer.
[0009] Preferably, the substrate layer is an aluminum foil layer, and the tear holes are distributed at equal intervals inside the substrate layer.
[0010] Preferably, the first protective layer is an epoxy resin layer, and the second protective layer is a plastic film layer.
[0011] Preferably, the top of the tear hole and the top of the second protective layer above the substrate layer are located at the same horizontal plane.
[0012] Preferably, the bottom end of the tear hole and the bottom end of the second protective layer below the substrate layer are located at the same horizontal plane.
[0013] Preferably, the edge binding component comprises an adhesive and an edge binding film, the adhesive is arranged on the outer walls at both ends of the substrate layer, and the edge binding film is fixed to the outer side of the adhesive.
[0014] Preferably, the edge wrapping films are symmetrically distributed on both sides of the substrate layer, and the edge wrapping films are symmetrically distributed on both sides of the tear hole.
[0015] The utility model provides a corrosion-resistant and heat-insulating epoxy aluminum foil for food packaging, which has the advantages of:
[0016] By providing a protective structure, the first protective layer is an epoxy resin layer, which can improve the corrosion resistance of the substrate layer, and also improve its strength and wear resistance; the second protective layer is a plastic film layer, which has corrosion resistance and heat insulation properties, so that the device has the functions of corrosion resistance and heat insulation, and improves the safety of the food packaging epoxy aluminum foil when in use;
[0017] By providing tear holes, the tear holes at the edge positions on both sides of the substrate layer are in an open state. When the packaging material is used, the substrate layer can be torn through the tear holes on both sides of the substrate layer, thereby realizing the function of facilitating tearing of the device and improving the convenience of the food packaging epoxy aluminum foil when in use. BRIEF DESCRIPTION OF THE DRAWINGS
[0018] Figure 1 It is a schematic diagram of the overall three-dimensional structure of the utility model;
[0019] Figure 2 This is a schematic diagram of the main cross-sectional structure of the utility model;
[0020] Figure 3 It is a side view structural schematic diagram of the utility model;
[0021] Figure 4 It is a schematic diagram of the top view structure of the utility model;
[0022] Figure 5 It is a schematic diagram of the three-dimensional structure of the side view section of the utility model.
[0023] Explanation of the reference numerals in the figure: 1. Packaging component; 101. Base material layer; 102. Protective structure; 1021. Adhesive layer; 1022. First protective layer; 1023. Second protective layer; 103. Tear hole; 2. Edge wrapping component; 201. Adhesive; 202. Edge wrapping film. DETAILED DESCRIPTION
[0024] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.
[0025] See also Figure 1-Figure 5 The utility model provides a corrosion-resistant and heat-insulating food packaging epoxy aluminum foil, which includes a packaging component 1.
[0026] Reference Figure 1-Figure 5 The packaging component 1 includes a substrate layer 101, a protective structure 102 and a tear hole 103. The protective structure 102 is arranged on both sides of the substrate layer 101. The tear holes 103 are evenly opened inside the substrate layer 101. The substrate layer 101 is an aluminum foil layer. The tear holes 103 are evenly distributed inside the substrate layer 101. The protective structure 102 includes an adhesive layer 1021, a first protective layer 1022 and a second protective layer 1023. The adhesive layer 1021 is arranged on both sides of the substrate layer 101. The outer side of the adhesive layer 1021 is arranged on the first protective layer 1022. The second protective layer 1023 is fixed to the outer side of the first protective layer 1022. The first protective layer 1022 is an epoxy resin layer, and the second protective layer 1023 is a plastic film layer.
[0027] The first protective layer 1022 is an epoxy resin layer, which can improve the corrosion resistance of the substrate layer 101, and also improve its strength and wear resistance. The second protective layer 1023 is a plastic film layer, which has corrosion resistance and heat insulation properties.
[0028] Reference Figure 1 , Figure 2 , Figure 4 and Figure 5 The top of the tear hole 103 and the top of the second protective layer 1023 above the substrate layer 101 are located in the same horizontal plane, the bottom of the tear hole 103 and the bottom of the second protective layer 1023 below the substrate layer 101 are located in the same horizontal plane, and the substrate layer 101 is evenly provided with edge binding components 2 on both sides, and the edge binding components 2 include an adhesive 201 and an edge binding film 202. The adhesive 201 is arranged on the outer wall at both ends of the substrate layer 101, and the edge binding film 202 is fixed on the outside of the adhesive 201. The edge binding film 202 is symmetrically distributed on both sides of the substrate layer 101, and the edge binding film 202 is symmetrically distributed on both sides of the tear hole 103.
[0029] The tear holes 103 at the edges of both sides of the substrate layer 101 are in an open state. When the packaging material is used, the substrate layer 101 can be torn through the tear holes 103 at both sides of the substrate layer 101 .
[0030] Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art may still modify the technical solutions described in the aforementioned embodiments, or make equivalent substitutions for some of the technical features therein. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention shall be included in the protection scope of the present invention.
Claims
1. A corrosion-resistant and heat-insulating epoxy aluminum foil for food packaging, comprising a packaging component (1); Features: The packaging component (1) comprises a substrate layer (101), a protective structure (102) and a tear hole (103), wherein the protective structure (102) is provided on both sides of the substrate layer (101), and the tear holes (103) are uniformly provided inside the substrate layer (101); The protective structure (102) comprises an adhesive layer (1021), a first protective layer (1022) and a second protective layer (1023), wherein the adhesive layer (1021) is arranged on both sides of the substrate layer (101), the outer sides of the adhesive layer (1021) are arranged on the first protective layer (1022), and the second protective layer (1023) is fixed to the outer side of the first protective layer (1022); Edge wrapping components (2) are evenly arranged on both sides of the substrate layer (101).
2. The corrosion-resistant and heat-insulating epoxy aluminum foil for food packaging according to claim 1, characterized in that: The substrate layer (101) is an aluminum foil layer, and the tear holes (103) are distributed at equal intervals inside the substrate layer (101).
3. The corrosion-resistant and heat-insulating epoxy aluminum foil for food packaging according to claim 1, characterized in that: The first protective layer (1022) is an epoxy resin layer, and the second protective layer (1023) is a plastic film layer.
4. The corrosion-resistant and heat-insulating epoxy aluminum foil for food packaging according to claim 1, characterized in that: The top of the tear hole (103) and the top of the second protective layer (1023) above the base material layer (101) are located at the same horizontal plane.
5. The corrosion-resistant and heat-insulating epoxy aluminum foil for food packaging according to claim 1, characterized in that: The bottom end of the tear hole (103) and the bottom end of the second protective layer (1023) below the substrate layer (101) are located at the same horizontal plane.
6. The corrosion-resistant and heat-insulating epoxy aluminum foil for food packaging according to claim 1, characterized in that: The edge binding component (2) comprises an adhesive (201) and an edge binding film (202); the adhesive (201) is arranged on both sides of the substrate layer (101); and the edge binding film (202) is fixed to the outer side of the adhesive (201).
7. The corrosion-resistant and heat-insulating epoxy aluminum foil for food packaging according to claim 6, characterized in that: The edge wrapping film (202) is symmetrically distributed on both sides of the base material layer (101), and the edge wrapping film (202) is symmetrically distributed on both sides of the tear hole (103).